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- /*
- * ScreenSave.c -- v1.06 Carolyn Scheppner CBM
- * Saves front screen as ILBM file
- * Saves a CAMG chunk for HAM, etc.
- * Creates icon for ILBM file
- * Original 10/86
- * Modified 9/88 - To mask out unwanted ViewMode bits in CAMG
- * and use CAMG defs in new ilbm.h
- *
- * Uses IFF rtns by J.Morrison and S.Shaw of Electronic Arts
- *
- * (all C code including IFF modules compiled with -v on LC2)
- * Linkage information:
- * FROM AStartup.obj, ScreenSave.o, iffw.o, ilbmw.o, packer.o
- * TO ScreenSave
- * LIBRARY Amiga.lib, LC.lib
- *
- */
-
- #include <exec/types.h>
- #include <exec/memory.h>
- #include <libraries/dos.h>
- #include <libraries/dosextens.h>
- #include <graphics/gfxbase.h>
- #include <graphics/rastport.h>
- #include <graphics/gfx.h>
- #include <graphics/view.h>
-
- #include <intuition/intuition.h>
- #include <intuition/intuitionbase.h>
- #include <workbench/workbench.h>
- #include <workbench/startup.h>
-
- #include "ilbm.h"
-
- extern struct IntuitionBase *IntuitionBase; /* Pointer aus exec */
-
- /* For masking unwanted Viewmodes bits */
- #define BADFLAGS (SPRITES|VP_HIDE|GENLOCK_AUDIO|GENLOCK_VIDEO)
- #define FLAGMASK (~BADFLAGS)
- #define CAMGMASK (FLAGMASK & 0x0000FFFFL)
-
- /* Other Stuff */
-
- #define bufSize 512
- struct Screen *frontScreen;
-
- struct ViewPort *picViewPort;
- struct BitMap *picBitMap;
- WORD *picColorTable;
- ULONG picViewModes;
-
- #define INBUFSZ 40
- char sbuf[INBUFSZ];
- char nbuf[INBUFSZ];
-
- /* Definitions for ILBM Icon */
- USHORT ILBMimagedata[] = {
- 0xFFFF, 0xFFFC,
- 0xC000, 0x000C,
- 0xC000, 0x000C,
- 0xC1E7, 0x9E0C,
- 0xC1F8, 0x7E0C,
- 0xC078, 0x780C,
- 0xC187, 0x860C,
- 0xC078, 0x780C,
- 0xC1F8, 0x7E0C,
- 0xC1E7, 0x9E0C,
- 0xC000, 0x000C,
- 0xC000, 0x000C,
- 0xFFFF, 0xFFFC,
- 0x0000, 0x0000,
- 0x0000, 0x0000,
- /**/
- 0xFFFF, 0xFFFC,
- 0xFFFF, 0xFFFC,
- 0xF800, 0x007C,
- 0xF9E0, 0x1E7C,
- 0xF980, 0x067C,
- 0xF807, 0x807C,
- 0xF81F, 0xE07C,
- 0xF807, 0x807C,
- 0xF980, 0x067C,
- 0xF9E0, 0x1E7C,
- 0xF800, 0x007C,
- 0xFFFF, 0xFFFC,
- 0xFFFF, 0xFFFC,
- 0x0000, 0x0000,
- 0x0000, 0x0000,
- /**/
- };
-
- struct Image ILBMimage = {
- 0,0, /* Leftedge, Topedge */
- 30,15, /* Width Height */
- 2, /* Depth */
- &ILBMimagedata[0], /* Data for image */
- 3,0 /* PlanePick, PlaneOnOff */
- };
-
- struct DiskObject ILBMobject = {
- WB_DISKMAGIC,
- WB_DISKVERSION,
-
- /* Gadget Structure */
- NULL, /* Ptr to next gadget */
- 0,0, /* Leftedge, Topedge */
- 30,15, /* Width, Height */
- GADGHBOX|GADGIMAGE, /* Flags */
- RELVERIFY|GADGIMMEDIATE, /* Activation */
- BOOLGADGET, /* Type */
- (APTR)&ILBMimage, /* Render */
- NULL, /* Select Render */
- NULL, /* Text */
- NULL,NULL,NULL,NULL, /* Exclude, Special, ID, UserData */
-
- 4, /* WBObject type */
- ":Display", /* Default tool */
- NULL, /* Tool Types */
- NO_ICON_POSITION, /* Current X */
- NO_ICON_POSITION, /* Current Y */
- NULL,NULL,NULL, /* Drawer, ToolWindow, Stack */
- };
-
- extern char filename[150];
- extern struct Screen *screen;
- extern struct Window *window;
-
-
- screensave()
- {
- IFFP iffp = NO_FILE;
- struct Process *OurTask;
- struct Window *old_pr_WindowPtr;
- LONG fp;
- static char plotname[150], def_drive[150], def_path[100], def_node[30],def_extn[20];
-
- strcpy(plotname,filename);
- strsfn(plotname,def_drive,def_path,def_node,def_extn);
- strcat(def_drive,def_path);
- strcat(def_node,".pic");
-
- OurTask = (struct Process *)FindTask(0L);
- old_pr_WindowPtr = (struct Window *)OurTask->pr_WindowPtr;
- OurTask->pr_WindowPtr = (APTR)window;
- if (get_fname(window,screen,"Save File As...",def_node,def_drive)==NULL)
- {
- OurTask->pr_WindowPtr = (APTR)old_pr_WindowPtr;
- return(TRUE);
- }
-
- OurTask->pr_WindowPtr = (APTR)old_pr_WindowPtr;
- strmfp(plotname,def_drive,def_node);
-
- if (!(fp = Open(plotname,MODE_NEWFILE) ))
- {Message(" Can't open file "); return(FALSE);}
-
- Write(fp,"x",1); /* 1.1 so Seek to beginning works ? */
-
- Forbid();
- frontScreen = IntuitionBase->FirstScreen;
- Permit();
-
- picViewPort = &( frontScreen->ViewPort );
- picBitMap = (struct BitMap*)picViewPort->RasInfo->BitMap;
- picColorTable = (WORD *)picViewPort->ColorMap->ColorTable;
- picViewModes = (ULONG)picViewPort->Modes;
-
- iffp = PutPicture(fp, picBitMap, picColorTable, picViewModes);
- Close(fp);
-
- if (iffp == IFF_OKAY)
- {
- if(!(PutDiskObject(plotname,&ILBMobject)))
- {Message(" Can't open .info file "); return(FALSE);}
- }
- return(1);
- }
-
-
-
- /** PutPicture() ***********************************************************
- *
- * Put a picture into an IFF file.
- * This procedure calls PutAnILBM, passing in an <x, y> location of <0, 0>,
- * a NULL mask, and a locally-allocated buffer. It also assumes you want to
- * write out all the bitplanes in the BitMap.
- *
- ***************************************************************************/
- Point2D nullPoint = {0, 0};
-
- IFFP PutPicture(file, bitmap, colorMap, viewmodes)
- LONG file; struct BitMap *bitmap;
- WORD *colorMap; ULONG viewmodes;
- {
- BYTE buffer[bufSize];
- return( PutAnILBM(file, bitmap, NULL,
- colorMap, bitmap->Depth, viewmodes,
- &nullPoint, buffer, bufSize) );
- }
-
-
- /** PutAnILBM() ************************************************************
- *
- * Write an entire BitMap as a FORM ILBM in an IFF file.
- * This version works for any display mode (C. Scheppner).
- *
- * Normal return result is IFF_OKAY.
- *
- * The utility program IFFCheck would print the following outline of the
- * resulting file:
- *
- * FORM ILBM
- * BMHD
- * CAMG
- * CMAP
- * BODY (compressed)
- *
- ***************************************************************************/
- #define CkErr(expression) {if (ifferr == IFF_OKAY) ifferr = (expression);}
-
- IFFP PutAnILBM(file, bitmap, mask, colorMap, depth,
- viewmodes, xy, buffer, bufsize)
- LONG file;
- struct BitMap *bitmap;
- BYTE *mask; WORD *colorMap; UBYTE depth;
- ULONG viewmodes;
- Point2D *xy; BYTE *buffer; LONG bufsize;
- {
- BitMapHeader bmHdr;
- CamgChunk camgChunk;
- GroupContext fileContext, formContext;
- IFFP ifferr;
- WORD pageWidth, pageHeight;
-
- pageWidth = (bitmap->BytesPerRow) << 3;
- pageHeight = bitmap->Rows;
-
- ifferr = InitBMHdr(&bmHdr, bitmap, mskNone,
- cmpByteRun1, 0, pageWidth, pageHeight);
- /* You could write an uncompressed image by passing cmpNone instead
- * of cmpByteRun1 to InitBMHdr. */
- bmHdr.nPlanes = depth; /* This must be <= bitmap->Depth */
- if (mask != NULL) bmHdr.masking = mskHasMask;
- bmHdr.x = xy->x; bmHdr.y = xy->y;
-
- camgChunk.ViewModes = viewmodes & CAMGMASK; /* Mask out unwanted bits! */
-
- CkErr( OpenWIFF(file, &fileContext, szNotYetKnown) );
- CkErr(StartWGroup(&fileContext, FORM, szNotYetKnown, ID_ILBM, &formContext));
-
- CkErr( PutBMHD(&formContext, &bmHdr) );
- CkErr( PutCAMG(&formContext, &camgChunk) );
- CkErr( PutCMAP(&formContext, colorMap, depth) );
- CkErr( PutBODY(&formContext, bitmap, mask, &bmHdr, buffer, bufsize) );
-
- CkErr( EndWGroup(&formContext) );
- CkErr( CloseWGroup(&fileContext) );
- return( ifferr );
- }
-
-